$(document).ready( function()
{
    $('#slider_aktuellt').nivoSlider({
        effect: 'fade',
        controlNav: false,
        pauseTime: 5000
    });

    var total = $('#slider_sponsring img').length;
    var rand = Math.floor(Math.random()*total);

    $('#slider_sponsring').nivoSlider({
        startSlide: rand,
        effect: 'fade',
        directionNav: false,
        keyboardNav: false,
        controlNav: false,
        pauseTime: 2500
    });
});